US 12,309,675 B2
5G prose service based discovery
Saad Ahmad, Montreal (CA); Samir Ferdi, Kirkland (CA); Michelle Perras, Montreal (CA); and Xiaoyan Shi, Westmount (CA)
Assigned to InterDigital Patent Holdings, Inc., Wilmington, DE (US)
Appl. No. 17/775,095
Filed by INTERDIGITAL PATENT HOLDINGS, INC., Wilmington, DE (US)
PCT Filed Nov. 6, 2020, PCT No. PCT/US2020/059543
§ 371(c)(1), (2) Date May 6, 2022,
PCT Pub. No. WO2021/092492, PCT Pub. Date May 14, 2021.
Claims priority of provisional application 62/932,320, filed on Nov. 7, 2019.
Prior Publication US 2022/0400362 A1, Dec. 15, 2022
Int. Cl. H04W 4/50 (2018.01); H04W 12/084 (2021.01); H04W 76/14 (2018.01)
CPC H04W 4/50 (2018.02) [H04W 12/084 (2021.01); H04W 76/14 (2018.02)] 14 Claims
OG exemplary drawing
 
1. A method for use in a service utilizing-wireless transmit/receive unit (SU-WTRU), the method comprising:
transmitting, by the SU-WTRU provisioned with a type of discovery on a per-service basis and a security credential on a per-service basis, a PC5 discovery message with the type of discovery, a metadata request, and a first security element generated by the SU-WTRU based on the provisioned security credential; and
receiving, from a service providing-wireless transmit/receive unit (SP-WTRU), a PC5 discovery response message that includes a second security element, a service identity associated with a service that the SP-WTRU provides, an SP-WTRU application layer identification, an L2 identification, metadata associated with the service provided by the SP-WTRU, and an indication that the metadata is dynamic.